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Finding the Fourth Proportional to 549,702.12, 760,115.94 and 436,328.04

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Solution

The fourth proportional to 549,702.12, 760,115.94 and 436,328.04 is: 603,344.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,702.12 : 760,115.94 = 436,328.04 : x
  2. Step 2: Convert to fraction form
    549,702.12/760,115.94 = 436,328.04/x
  3. Step 3: Cross multiply
    549,702.12x = 760,115.94 × 436,328.04
  4. Step 4: Simplify right side
    549,702.12x = 331,659,898,272.96
  5. Step 5: Solve for x
    x = 331,659,898,272.96/549,702.12
  6. Step 6: Final answer
    x = 603,344.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.